: A colon indents
::a line or paragraph.
A manual newline starts a new paragraph.

You can even do mixed lists

and nest them

like this

* You can even do mixed lists
*# and nest them
*#* like this

Preformatted Text

What it look like

What one type

IF a line starts with a space THEN
it will be formatted exactly
as typed;
in a fixed-width font;
lines won't wrap;
ENDIF
this is useful for:
* pasting preformatted text;
* algorithm descriptions;
* program source code;
* ASCII art;
* chemical structures;